ulock locks the entire virtual console system,
completely disabling all console access. It gives
up these locks when either the password of the
user who started ulock or the root password is
typed. It is able to invoke any program (i.e. a
screen saver), which will be terminated on any
keystroke. The idea of the program was taken from
Michael K. Johnson's vlock.

python-dime provides a way to parse and generate
DIME messages. Direct Internet Message
Encapsulation (DIME) is a binary message format
that can be used to encapsulate multiple payloads
into a single message.

hungrycat is a tool that prints the contents of a file on the standard output while simultaneously freeing disk space occupied by the file. It can be useful if you need to process a large file, but you don't have enough space to store the output file, and you won't need the input file afterward.

i18nspector is a tool for checking translation templates (POT), message catalogues (PO), and compiled message catalogues (MO) files for common problems. These files are used by the GNU gettext translation functions and tools in many different development environments.